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发明人冯建国,郑宇鹏,郭海燕. "A Process for Preparing High-Purity 2-[(Butylamino)methyl]-3,4-dihydroquinazolin-4-one" [P]. 中国发明专利, 专利号 CN 109325410 A, 授权公告日 2025-07-01.
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